--- a/mercurial/thirdparty/xdiff/xutils.h	Fri Mar 09 14:24:27 2018 -0800
+++ b/mercurial/thirdparty/xdiff/xutils.h	Fri Mar 09 14:37:55 2018 -0800
@@ -30,8 +30,8 @@
 void xdl_cha_free(chastore_t *cha);
 void *xdl_cha_alloc(chastore_t *cha);
 int64_t xdl_guess_lines(mmfile_t *mf, int64_t sample);
-int xdl_recmatch(const char *l1, int64_t s1, const char *l2, int64_t s2, int64_t flags);
-uint64_t xdl_hash_record(char const **data, char const *top, int64_t flags);
+int xdl_recmatch(const char *l1, int64_t s1, const char *l2, int64_t s2);
+uint64_t xdl_hash_record(char const **data, char const *top);
 unsigned int xdl_hashbits(unsigned int size);